var slugify = require('transliteration').slugify;

exports.ds = function (values) {
	return values==null?"":values;
 };
 
 exports.di=function(num,defaultValue){
	 return parseInt(num==null?defaultValue:num);
 }
 
 exports.getTypeNameById=function(id){
		return id==1?"肉类":id==2?"蔬果类":id==3?"调味料类":"其他";
	}
 
 exports.getPinYinSx=function(value){
	 	var sx="";
		var tmpStr=slugify(value, {lowercase: true, separator: '_'});
		var nameGroup=tmpStr.split("_");
		for(var j=0;j<nameGroup.length;j++){
			sx=sx+nameGroup[j].substring(0,1);
		}
		return sx;
 }

Date.prototype.Format = function (fmt) { //author: meizz
	var o = {
		"M+": this.getMonth() + 1, //月份
		"d+": this.getDate(), //日
		"h+": this.getHours(), //小时
		"m+": this.getMinutes(), //分
		"s+": this.getSeconds(), //秒
		"q+": Math.floor((this.getMonth() + 3) / 3), //季度
		"S": this.getMilliseconds() //毫秒
	};
	if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	for (var k in o)
		if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
	return fmt;
}